Patents by Inventor Ferdinand Hummes

Ferdinand Hummes has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Granular preparation of vat dyestuffs and/or disperse dyestuffs
    Patent number: 4285692
    Abstract: Process for the production of granular mixtures of vat dyestuffs and/or disperse dyestuffs, characterized in that liquid or pasty, finished formulations of two or more vat dyestuffs and/or disperse dyestuffs are spray-dried together to form granules.
    Type: Grant
    Filed: October 4, 1979
    Date of Patent: August 25, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Willy Schiwy, Jurgen Schulze, Ferdinand Hummes, Peter Schulze, Reinhold Hornle, Hans-Heinz Molls, Harry Orttmann
  • Process and apparatus for spray drying or spray cooling
    Patent number: 4198264
    Abstract: Sifting is improved by the installation of one or more nozzles in the longitudinal axis of a drier. A spray-dried granulate is thereby substantially freed from dust. The effect of heat on low melting products is reduced by cooling the gas.
    Type: Grant
    Filed: October 21, 1977
    Date of Patent: April 15, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Vaclav Kaspar, Hans-Heinz Molls, Reinhold Hornle, Ferdinand Hummes